They're called variables (this sounds like vary because the number that a letter could represent varies) so when i say 1 + x = 3 it is saying that they don't know the value of x yet but of course you can solve that by subtracting 1 from 3 which is 2
Answer:
Step-by-step explanation:
So we have the equation:
Combine like terms:
Add 4 to both sides. The left side cancels:
Divide both sides by 8:
Thus, the value of x is 5.
Answer:
area of triangle : 1/2 x length x widht
Because is only one equal
Answer:
45
Step-by-step explanation:
1/3 x = 15
1x = 15 x 3
x = 45
